Finding the Third Proportional to 692,374.50 and 1,439,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   692,374.50 : 1,439,788.50 = 1,439,788.50 : x
2. Step 2: Convert to fraction form
   692,374.50/1,439,788.50 = 1,439,788.50/x
3. Step 3: Cross multiply
   692,374.50x = 1,439,788.50 × 1,439,788.50
4. Step 4: Simplify right side
   692,374.50x = 2,072,990,924,732.25
5. Step 5: Solve for x
   x = 2,072,990,924,732.25/692,374.50
6. Step 6: Final answer
   x = 2,994,031.30